The d-xylose absorption test is useful in the diagnosis of tropical and idiopathic sprue, 1–4 but results are variable in other disorders and in elderly persons without intestinal disease. 5,6 ...

THE purpose of this paper is to report values for the so-called xylose tolerance test in a group of healthy infants and children at different ages. We have chosen to designate this test the oral ...

Your body regularly loses water through sweating and urination. If you don’t replace it quickly enough, you get dehydrated. People at risk include athletes, those who work in the heat, older adults, ...